<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../js/vue.js"></script>
</head>
<body>
    <div id="root">
        <h1>学校信息</h1>
        <h2>学校名称：{{school.name}}</h2>
        <h2>学校地址：{{school.address}}</h2>
        <h2 v-if="school.leader">校长是：{{school.leader}}</h2>
        <hr>
        <h1>学生信息</h1>
        <button @click="addSex">添加一个性别属性，默认是男</button>
        <h2>学生姓名：{{student.name}}</h2>
        <h2 v-if="student.sex">学生性别：{{student.sex}}</h2>
        <h2>学生年龄：{{student.age.rAge}}·对外{{student.age.sAge}}</h2>
        <ul>
            <li v-for="(h,index) in student.hobby" :key="index">
                {{h}}
            </li>
        </ul>
        <ul>
            <li v-for="(f,index) in student.friends" :key="index">
                {{f.name}}--{{f.age}}
            </li>
        </ul>

    </div>
    <script>
        Vue.config.productionTip = false
        const vm = new Vue({
            el:"#root",
            data:{
                school:{
                    name:"尚硅谷",
                    address:"北京",
                },
                student:{
                    name:'tom',
                    age:{
                        rAge:40,
                        sAge:29
                    },
                    hobby:['抽烟','喝酒','烫头'],
                    friends:[
                        {name:'jerry',age:35},
                        {name:'tony',age:36}
                    ]
                }
            },
            methods: {
                addSex(){
                    Vue.set(this.student,'sex','男')
                }
            },
        })
    </script>
</body>
</html>